CN105227603A - virtual desktop image processing method, device, virtual desktop server and thin terminal - Google Patents

Abstract

The invention provides a kind of virtual desktop image processing method, device, virtual desktop server and thin terminal, wherein, the method comprises: judge whether the image that virtual desktop current active window shows change of rolling occurs; When judged result is for being, the accumulative position offset of the accumulative generation of image within a predetermined period of time rolling change, and there is the accumulative difference part changed of rolling; Position offset will be added up, and accumulative difference part sends to for thin terminal corresponding to virtual desktop display, pass through the present invention, solve in correlation technique exist virtual desktop image procossing numerous and diverse, and the problem of the significant wastage network bandwidth, and then reach the process of simplification virtual desktop, effectively save the effect of the network bandwidth.

Description

Virtual desktop image processing method, device, virtual desktop server and thin terminal

technical field

The present invention relates to the communication field, in particular to a virtual desktop image processing method and device, a virtual desktop server and a thin terminal.

Background technique

Virtual desktop is an important application of cloud computing. Compared with traditional personal computer (PC for short) machines and notebooks, local desktops are replaced by virtual desktops running in remote data centers. The content in the virtual desktop is returned to the user's screen in the form of images. In this way, as long as there is a change on the virtual desktop, it needs to be transmitted to the user's local in the form of an image, and in many virtual desktop office scenarios in the related art, many operations are for the user to use the middle mouse button to browse documents. For example, in most cases, when the operator scrolls the middle mouse button, multiple middle mouse button commands will be issued continuously, and each middle mouse button command corresponds to an interface refresh. For another example, another action to browse documents is to hold down the left mouse button and drag the scroll bar to browse, so that every time the mouse is dragged, a corresponding refresh will be generated.

However, for each operation of the virtual desktop, the change of the image is not particularly large, but for such a change, the virtual desktop needs to update the image every time, and send the new image to the user's local, which not only has complicated processing problem, but also a great waste of network bandwidth.

Therefore, there are problems in the related art that the image processing of the virtual desktop is complicated and the network bandwidth is greatly wasted.

Contents of the invention

The present invention provides a virtual desktop image processing method and device, a virtual desktop server and a thin terminal to at least solve the problems of complicated virtual desktop image processing and huge waste of network bandwidth in the related art.

According to one aspect of the present invention, a virtual desktop image processing method is provided, including: judging whether the image displayed in the current active window of the virtual desktop has scrolled; The cumulative position offset of the image scrolling change, and the cumulative difference part of the scrolling change; sending the cumulative position offset and the cumulative difference part to the thin terminal corresponding to the virtual desktop display.

Preferably, before accumulating the accumulative position offset of the scrolling change of the image within the predetermined period of time, and the accumulated difference part of the scrolling change, further comprising: acquiring a single scrolling change of the image A corresponding single position offset; sending the single position offset to the thin terminal.

Preferably, before judging whether the image displayed in the current active window of the virtual desktop is scrolled, it also includes: judging whether the application corresponding to the image displayed in the current active window of the virtual desktop uses a scroll bar for scrolling If the result of the judgment is yes, it is judged whether the image displayed on the current active window of the virtual desktop is scrolled.

According to another aspect of the present invention, a virtual desktop image processing method is provided, including: displaying the image displayed by the current active window sent by the virtual desktop; The accumulated position offset, and the accumulated difference part where scrolling changes occur; the displayed image is updated and displayed according to the accumulated position offset and the accumulated difference part.

Preferably, before receiving the accumulated position offset of the virtual desktop with respect to the scrolling change of the image within the predetermined time period, and the cumulative difference part of the scrolling change, the method further includes: receiving the The single position offset corresponding to the single scrolling change of the image sent by the virtual desktop; the difference part corresponding to the single position offset is updated and displayed in a blank gradient manner.

According to another aspect of the present invention, a virtual desktop image processing device is provided, including: a first judging module, used to judge whether the image displayed in the current active window of the virtual desktop is scrolled; In the case of yes, accumulating the cumulative position offset of the scrolling change of the image within a predetermined period of time, and the cumulative difference part of the scrolling change; the first sending module is used to transfer the cumulative position offset, and The accumulated difference part is sent to the corresponding thin terminal for displaying the virtual desktop.

Preferably, the device further includes: an acquisition module, configured to acquire a single position offset corresponding to a single scroll change of the image; a second sending module, configured to send the single position offset to the thin terminal.

Preferably, the device further includes: a second judging module, configured to judge whether the application corresponding to the image displayed in the current active window of the virtual desktop is an application using scroll bars for scrolling operations, and if the judging result is yes , judging whether the image displayed in the current active window of the virtual desktop is scrolled or not.

According to yet another aspect of the present invention, a virtual desktop server is provided, including the device described in any one of the above.

According to yet another aspect of the present invention, a virtual desktop image processing device is provided, including: a first display module, configured to display the image displayed by the current active window sent by the virtual desktop; a first receiving module, configured to receive the virtual desktop The cumulative position offset of the desktop with respect to the scrolling change of the image within a predetermined period of time, and the cumulative difference part where the scrolling change occurs; an update module, configured to use the cumulative position offset and the cumulative difference part to The displayed image is updated for display.

Preferably, the device further includes: a second receiving module, configured to receive a single position offset corresponding to a single scrolling change of the image sent by the virtual desktop; a second display module, configured to use a blank gradient The difference part corresponding to the single position offset is updated and displayed.

According to still another aspect of the present invention, a thin terminal is provided, including the device described in any one of the foregoing.

According to the present invention, it is used to judge whether the image displayed in the current active window of the virtual desktop is scrolled; if the judgment result is yes, the cumulative position offset of the image scrolled within a predetermined period of time is accumulated, and the scrolling occurs. The changed accumulative difference part; sending the accumulative position offset and the accumulative difference part to the thin terminal corresponding to the virtual desktop display solves the problem of complex virtual desktop image processing and extremely It solves the problem of wasting network bandwidth, and then achieves the effect of simplifying virtual desktop processing and effectively saving network bandwidth.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is a flowchart of a virtual desktop image processing method 1 according to an embodiment of the present invention;

2 is a flowchart of a second method for processing virtual desktop images according to an embodiment of the present invention;

3 is a structural block diagram of a virtual desktop image processing device 1 according to an embodiment of the present invention;

4 is a preferred structural block diagram 1 of a virtual desktop image processing device 1 according to an embodiment of the present invention;

Fig. 5 is a preferred structural block diagram 2 of a virtual desktop image processing device 1 according to an embodiment of the present invention;

6 is a structural block diagram of a virtual desktop server according to an embodiment of the present invention;

7 is a structural block diagram of a second virtual desktop image processing device according to an embodiment of the present invention;

Fig. 8 is a preferred structural block diagram of a second virtual desktop image processing device according to an embodiment of the present invention;

FIG. 9 is a structural block diagram of a thin terminal according to an embodiment of the present invention;

10 is a schematic diagram of the first active window in the virtual desktop image processing method according to the preferred embodiment of the present invention;

Fig. 11 is a schematic diagram of calculation of window image scrolling offset in a virtual desktop image processing method according to a preferred embodiment of the present invention;

12 is a schematic diagram of the thin terminal drawing the display area according to the offset in the virtual desktop image processing method according to the preferred embodiment of the present invention;

Fig. 13 is a schematic diagram of the thin terminal drawing the display area according to the offset + change interval in the virtual desktop image processing method according to the preferred embodiment of the present invention.

detailed description

Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

In this embodiment, a virtual desktop image processing method is provided. FIG. 1 is a flowchart of a virtual desktop image processing method 1 according to an embodiment of the present invention. As shown in FIG. 1 , the process includes the following steps:

Step S102, judging whether the image displayed in the current active window of the virtual desktop has scrolled;

Step S104, if the result of the judgment is yes, accumulating the accumulated position offset of the scrolling change of the image within a predetermined time period, and the cumulative difference part of the scrolling change;

Step S106, sending the accumulated position offset and the accumulated difference to the corresponding thin terminal for displaying the virtual desktop.

Through the above steps, for the virtual desktop side, the accumulated position offset value and the accumulated difference part of the scrolling change of the virtual desktop image within a predetermined period of time are accumulated, and only the accumulated position offset value and the accumulated difference part are sent to the thin For the terminal, compared with the related art, as long as the image changes and the image of the changed part is sent to the thin terminal, the above method can not only effectively reduce the complexity of processing the virtual desktop image, but also does not need to send the image to the thin terminal every time. Image not only simplifies the image processing of the virtual desktop, but also greatly saves network bandwidth.

Preferably, before accumulating the cumulative position offset of the scrolling change of the image within a predetermined period of time, and the cumulative difference part of the scrolling change, it also includes: acquiring a single position offset corresponding to a single scrolling change of the image; A single position offset is sent to the thin terminal. In this way, the thin terminal can preload the displayed content on the local desktop window according to the position offset each time, that is, to make the user perceive that the remote terminal is processing the scrolling image. Only sending a single position offset to the thin terminal does not consume much bandwidth, and can effectively improve the user's reading adaptability.

In order to effectively eliminate the possibility of misjudgment, before judging whether the image displayed in the current active window of the virtual desktop is scrolled, it is also possible to first judge whether the application corresponding to the image displayed in the current active window of the virtual desktop is an application that uses scroll bars for scrolling operations , if the judgment result is yes, it is judged whether the image displayed in the current active window of the virtual desktop is scrolled. That is, it is determined to be applicable to the window of the scrolling operation.

Fig. 2 is a flow chart of a second virtual desktop image processing method according to an embodiment of the present invention. As shown in Fig. 2, the process includes the following steps:

Step S202, displaying the image displayed on the current active window sent by the virtual desktop;

Step S204, receiving the cumulative position offset of the virtual desktop image scrolling within a predetermined period of time, and the cumulative difference of the scrolling change;

Step S206, updating and displaying the displayed image according to the accumulated position offset and the accumulated difference.

Through the above steps, for the thin terminal side, the displayed image is updated and displayed according to the accumulated position offset of the virtual desktop image within a predetermined period of time and the accumulated difference. Compared with the related art, as long as the image changes and Receiving the image of the changed part sent by the side of the virtual desktop, using the above method, not only can effectively reduce the complexity of the virtual desktop image processing, but also does not need to send the image to the thin terminal every time, which not only simplifies the virtual desktop and the thin terminal. Image processing, and greatly save network bandwidth.

Correspondingly, before receiving the cumulative position offset of the virtual desktop image scrolling change within a predetermined time period, and the cumulative difference part of the scrolling change, considering the waiting of the thin terminal within the predetermined time period, the virtual desktop can be received first. The single position offset corresponding to the single scrolling change of the image sent by the desktop; the difference part corresponding to the single position offset is updated and displayed in the way of blank gradient. Through such processing, not only will not too much network bandwidth be wasted, but also the browsing comfort of the user on the side of the thin terminal is effectively improved.

In this embodiment, a virtual desktop image processing device is also provided, and the device is used to implement the above embodiments and preferred implementation modes, and what has been described will not be repeated. As used below, the term "module" may be a combination of software and/or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

Fig. 3 is a structural block diagram of a virtual desktop image processing device 1 according to an embodiment of the present invention. As shown in Fig. 3 , the device includes a first judging module 32, an accumulating module 34 and a first sending module 36, and the device will be described below illustrate.

The first judging module 32 is used to judge whether the image displayed in the current active window of the virtual desktop is scrolled; the accumulation module 34 is connected to the above-mentioned first judging module 32, and is used to accumulate in the predetermined time when the judging result is yes The accumulative position offset of the scrolling change of the image in the segment, and the accumulative difference part of the scrolling change; the first sending module 36 is connected to the above-mentioned accumulative module 34, and is used to send the accumulative position offset and the accumulative difference part to It is used to display the corresponding thin terminal on the virtual desktop.

Fig. 4 is a preferred structural block diagram 1 of a virtual desktop image processing device 1 according to an embodiment of the present invention. As shown in Fig. 4, in addition to all the modules shown in Fig. 3, the device also includes an acquisition module 42 and a second sending module 44, the device will be described below.

The acquiring module 42 is connected to the above-mentioned first judging module 32, and is used to acquire a single position offset corresponding to a single scrolling change of the image; the second sending module 44 is connected to the above-mentioned acquiring module 42 and the accumulation module 34, and is used to A single position offset is sent to the thin terminal.

Fig. 5 is a preferred structural block diagram 2 of a virtual desktop image processing device 1 according to an embodiment of the present invention. As shown in Fig. 5 , in addition to all the modules shown in Fig. 3 , the device also includes: a second judging module 52 , the second judging module 52 will be described below.

The second judging module 52 is connected to the above-mentioned first judging module 32, and is used to judge whether the application corresponding to the image displayed in the current active window of the virtual desktop is an application that uses a scroll bar to perform a scrolling operation. If the judging result is yes, judging Whether the image displayed in the current active window of the virtual desktop is scrolled.

FIG. 6 is a structural block diagram of a virtual desktop server according to an embodiment of the present invention. As shown in FIG. 6 , the virtual desktop server 60 includes any one of the virtual desktop image processing apparatuses 1 62 described above.

Fig. 7 is a structural block diagram of a virtual desktop image processing device 2 according to an embodiment of the present invention. As shown in Fig. 7, the device includes a first display module 72, a first receiving module 74 and an update module 76, and the device will be described below illustrate.

The first display module 72 is used to display the image displayed on the current active window sent by the virtual desktop; the first receiving module 74 is connected to the first display module 72 and is used to receive the scrolling change of the virtual desktop image within a predetermined period of time The cumulative position offset, and the cumulative difference part that scrolls; the update module 76 is connected to the first receiving module 74, and is used to update and display the displayed image according to the cumulative position shift and the cumulative difference part.

Fig. 8 is a preferred structural block diagram of a virtual desktop image processing device 2 according to an embodiment of the present invention. As shown in Fig. 8, in addition to all the modules shown in Fig. 7, the device also includes: a second receiving module 82 and The second display module 84, the device will be described below.

The second receiving module 82 is connected to the above-mentioned first display module 72, and is used to receive a single position offset corresponding to a single scroll change of the image sent by the virtual desktop; the second display module 84 is connected to the above-mentioned second receiving module 82 and the first receiving module 74, configured to update and display the difference part corresponding to a single position offset in a manner of blank gradation.

FIG. 9 is a structural block diagram of a thin terminal according to an embodiment of the present invention. As shown in FIG. 9 , the thin terminal 90 includes the virtual desktop image processing apparatus 2 92 described above.

Aiming at the two scenarios of the mouse operating the virtual desktop in the related art, corresponding image processing methods are respectively proposed in this embodiment, for example, for the first one, that is, when the operator rolls the middle mouse Issue multiple middle mouse button commands, and each middle mouse button command corresponds to a refresh of the interface. Therefore, when the virtual desktop image changes when the middle mouse button operation occurs, the image will not be sent to the client's screen for the time being, but will monitor whether there is a middle mouse button operation coming later. If not, the image caused by the middle mouse button will be The changed image is sent to the client's screen. When the last middle mouse button command arrives, the virtual desktop analyzes the changed part of the image (for example, progressive scan code analysis method) and compares it with the image on the screen that was sent to the client last time - to obtain the changed part and There are no changing parts. Only the content of the changed part is transmitted to the client (that is, the thin terminal); for the second type, that is, an action to browse the document is to press and hold the left mouse button and drag the scroll bar to browse, so that every time the mouse is moved, a corresponding file will be generated. refresh. The virtual desktop determines the approximate position of the scroll bar—for example, on the right side of the window—according to the application to which the currently active window belongs (for example, the Word program tablet program). When the mouse moves (the mouse position coincides with the range of the scroll bar) + the left button is held down and the content in the active window changes, the image will not be sent to the client's screen temporarily, but whether there is mouse movement behind + The action of the left button being pressed continues to come, if not, the image of the change caused by this operation will be sent to the client's screen. When the last mouse movement + left button is held down action command arrives, the virtual desktop analyzes the changed part of the image (for example, using progressive scan encoding analysis method), and compares it with the last image sent to the client on the screen - Get the part that changed and the part that didn't change. Only the content of the changed part is transmitted to the client. It should be noted that, for the above two mouse operations, if the thin client is a touch screen device, the sliding of the finger on the touch screen device can also be translated into a scrolling operation of the middle mouse button, and the above processing method is still applicable.

The virtual desktop image processing solution of the embodiment of the present invention will be described below.

When using the above solution to process the virtual desktop image, you can first judge the application program of the current active window of the virtual desktop, and judge whether the above processing solution can be used according to the application type of the application program in the current active window. For example, the following comparison can be adopted A simple way to judge. At present, the operating system of Microsoft Windows is mainly used. When the Windows operating system in the virtual desktop generates a new window, the virtual desktop can obtain the application type of the new window through the string in the window title—for example, the application is MicrosoftWord, MicrosoftExcel, Notepad, IE, etc.; you can judge the type of application according to the character string in the window title, so as to decide whether to adopt the above processing method. The following example illustrates. For the commonly used applications in the current window system - such as Microsoft Word, Microsoft Excel, Notepad, IE, etc., these applications have scroll bars, and the positions of the scroll bars are very fixed: (1): The upper and lower scroll bars are located at the far right of the window Vertical narrow area; (2): The left and right scroll bars are located in the horizontal narrow area at the bottom of the window; the virtual desktop can easily calculate the approximate coordinates of the scroll bar area in the application window. Therefore, the scrolling operation is used to browse the above applications, that is, the image processing scheme of the above virtual desktop can be used.

The following describes respectively in combination with the above two mouse operation scenarios.

Middle mouse button operation scenario: When a window becomes the active window, the virtual desktop sends the image of the current window to the thin client, and the thin client completes the display on the interface. At the same time, the virtual desktop and the thin client simultaneously save the image in the window as the first image. Next, the image is scrolled and changed by means of the middle mouse button, that is, when the virtual desktop receives the command of the middle mouse button, if there is an image change on the virtual desktop, the virtual desktop will analyze and compare the image changes;

S1, whether the interval where the image change occurs is within the range of the current active window, if not within the range of the active window, do not continue processing;

S2, if the image change interval is within the range of the active window, continue the following processing: cache the new image, and judge whether the new image has moved up or down for the previous image according to the scrolling direction . Then calculate the offset of window image scrolling (for example, the height of 10 lines of pixels), and send the offset (for example, scrolling up by 10 lines of pixels) to the client-this amount of information is very small, and the network bandwidth consumption is negligible ;

S3, the thin client performs display update according to the scroll offset sent over—for example, the original cached image on the thin client is scrolled up by 10 lines of pixels, because the virtual desktop does not update the image of the changed part (the new image at the bottom of the window is 10 Lines of pixels) are sent to the thin client, and the thin client can display the 10 lines of pixels at the bottom of the window on the interface in a blank gradient manner, giving the operator a balance in visual experience;

S4, the virtual desktop continues to monitor whether a new middle mouse button command arrives within a specified time. If there is a new middle mouse button arrival, then the loop continues to carry out the operation of the above S2, S3 steps;

S5, when there is no operation of the middle mouse button, the latest image (after the arrival of no middle mouse button) is accumulated and compared with the first image (before the arrival of the first middle mouse button), and the offset is calculated ( That is, the above-mentioned cumulative position offset), and send the information of the offset (for example, the height of scrolling up 80 rows of pixels) + the newly appearing 80 rows of pixels to the thin client;

S6, the thin client will cache the first local image (before the arrival of the first middle mouse button) and shift upwards by 80 rows of pixels, and then superimpose the information of the new 80 rows of pixels to form a new image and cache it on the thin client ;

S7, for the operation of replacing the middle of the mouse with finger sliding on the touch screen, the above processing flow is still applicable.

Operation scenario of mouse movement + left mouse button: When the virtual desktop receives the command of mouse movement + left mouse button press, if the image changes on the virtual desktop, the virtual desktop will analyze and compare the image changes;

S1, whether the interval where the image change occurs is within the scope of the current active window, if not within the scope of the active window, then end the processing; simultaneously determine whether the position of the mouse is in the scrolling interval, if not in the scrolling interval then the method described in the present invention does not Be applicable. If the active window has changed and the current position of the mouse is in the scrolling range, use the method in steps S2-S5 below;

S2, the virtual desktop first caches the new image, and then the virtual desktop sends a scroll command to the thin client, and the thin client uses a blank + clockwise scrolling icon to display the interval, so that the operator understands that the action of dragging the scroll bar is working;

S3, the virtual desktop continues to monitor whether there is a new mouse movement + mouse left button press command arrives within the specified time. If there is a new middle mouse button arrival, the cycle continues to carry out the operation of the above S2 step;

S4, when there is no mouse movement + left mouse button operation, the latest image (after no mouse movement + left mouse button arrival) and the first image (before the first mouse movement + left mouse button arrival) will be accumulated and calculated Make a comparison, calculate the offset, and send the offset (for example, the height of scrolling up 200 rows of pixels) + the information of the newly appearing 200 rows of pixels to the thin client;

S5, the thin client will cache the first local image (before the arrival of the first middle mouse button) and shift upwards by 200 rows of pixels, and then superimpose the information of the new 200 rows of pixels to form a new image and cache it on the thin client .

A preferred embodiment of the present invention will be described below in combination with a schematic diagram of a processing flow.

Fig. 10 is a schematic diagram of the first active window in the virtual desktop image processing method according to a preferred embodiment of the present invention. As shown in Fig. 10, after a new active window appears on the virtual desktop, the image of the active window is cached and sent to the thin On the client side, the thin client also caches the image of the window.

Fig. 11 is a schematic diagram of calculation of window image scrolling offset in the virtual desktop image processing method according to a preferred embodiment of the present invention. As shown in Fig. 11, when the middle mouse button causes the display area to scroll and change, the virtual desktop first caches the new image, and then compare it with the original image to calculate the scroll offset. The calculation method is as follows:

(1) Use the first line of the new image in the display area (line N+1 in Figure 11) and the first line of the original image in the display area (line 1 in Figure 11) to compare, if different, it will be the same as the original image Compare in line 2 of the display area until the same one is found (assuming the original image is in line 11 of the display area);

(2) Use the new image to compare the 2nd to X (X can be configured) lines of the display area and the (12 to 10+X) of the original image line by line. If they are all the same, it means that the offset is found correctly. Otherwise, continue the search process of step (1)—use the new image on the first line of the display area and the 12th line of the original image to start the comparison again.

Fig. 12 is a schematic diagram of the thin terminal drawing the display area according to the offset in the virtual desktop image processing method according to the preferred embodiment of the present invention. As shown in Fig. 12, the virtual desktop sends the offset to the thin client, and the thin client Offset repaints the window display area.

The virtual desktop monitors whether a new middle mouse button command arrives within a specified time (configurable, for example, 0.2 seconds). If there is a middle mouse button instruction to arrive within the designated time, then continue to perform the operation process shown in Fig. 11 and Fig. 12 . If no middle mouse button instruction arrives within the specified time, then proceed with the following processing.

Fig. 13 is a schematic diagram of the thin terminal drawing the display area according to the offset + change interval in the virtual desktop image processing method according to the preferred embodiment of the present invention. As shown in Fig. 13, the cumulative offset is calculated, and the offset and the new occurrence The pixel row is sent to the thin client, and the thin client redraws the window display area according to the offset + changed interval.

It should be noted that the operation method of holding down the left mouse button + moving the mouse (dragging the scroll bar) is basically similar to the middle mouse button, the difference is that the virtual desktop does not calculate the offset of each movement during the mouse movement process. Offset instead calculates the overall offset after the mouse stops moving. During the mouse movement process of the thin client, the whole interface displays a rotating hour hand, indicating that the interface is in the process of being refreshed.

Through the above embodiments and preferred implementations, for common scenarios of virtual desktops, by monitoring application types, user operations and analyzing image changes, only the changed part of the final image is transmitted, which greatly saves network bandwidth. At the same time, because the judgment is made according to the application type, the possibility of misjudgment is eliminated.

Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Alternatively, they may be implemented in program code executable by a computing device so that they may be stored in a storage device to be executed by a computing device, and in some cases, in an order different from that shown here The steps shown or described are carried out, or they are separately fabricated into individual integrated circuit modules, or multiple modules or steps among them are fabricated into a single integrated circuit module for implementation. As such, the present invention is not limited to any specific combination of hardware and software.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (12)

1. A virtual desktop image processing method, characterized in that, comprising: Determine whether the image displayed in the current active window of the virtual desktop has scrolled; If the judgment result is yes, accumulating the accumulated position offset of the scrolling change of the image within the predetermined time period, and the cumulative difference part of the scrolling change; Sending the accumulated position offset and the accumulated difference part to the corresponding thin terminal for displaying the virtual desktop. 2. The method according to claim 1, characterized in that, before accumulating the accumulated position offset of the rolling change of the image within the predetermined time period and the accumulated difference part of the rolling change ,Also includes: Acquiring a single position offset corresponding to a single scrolling change of the image; Send the single position offset to the thin terminal. 3. The method according to claim 1, further comprising: Judging whether the application corresponding to the image displayed in the current active window of the virtual desktop is an application that uses a scroll bar for scrolling operations, and if the judgment result is yes, judging whether the image displayed in the current active window of the virtual desktop is A scrolling change occurred. 4. A virtual desktop image processing method, comprising: Display the image displayed by the current active window sent by the virtual desktop; receiving the cumulative position offset of the virtual desktop for the scrolling change of the image within a predetermined period of time, and the cumulative difference part of the scrolling change; The displayed image is updated and displayed according to the accumulated position offset and the accumulated difference part. 5. The method according to claim 1, characterized in that, after receiving the cumulative position offset of the scrolling change of the virtual desktop to the image within the predetermined time period, and the scrolling change of the virtual desktop Before the cumulative differences section above, also include: receiving a single position offset corresponding to a single scroll change of the image sent by the virtual desktop; The difference part corresponding to the single position offset is updated and displayed in a blank gradient manner. 6. A virtual desktop image processing device, comprising: The first judging module is used to judge whether the image displayed in the current active window of the virtual desktop is scrolled; An accumulative module, used to accumulate the cumulative position offset of the rolling change of the image within a predetermined time period and the cumulative difference part of the rolling change when the judgment result is yes; The first sending module is configured to send the accumulated position offset and the accumulated difference part to the corresponding thin terminal for displaying the virtual desktop. 7. The device according to claim 6, further comprising: An acquisition module, configured to acquire a single position offset corresponding to a single scroll change of the image; The second sending module is configured to send the single position offset to the thin terminal. 8. The device according to claim 6, further comprising: The second judging module is used to judge whether the application corresponding to the image displayed in the current active window of the virtual desktop is an application that uses a scroll bar for scrolling operation, and if the judging result is yes, judge that the virtual desktop is currently active Whether the image displayed in the window is scrolled. 9. A virtual desktop server, comprising the device according to any one of claims 6-8. 10. A virtual desktop image processing device, comprising: The first display module is used to display the image displayed by the current active window sent by the virtual desktop; The first receiving module is configured to receive the cumulative position offset of the virtual desktop with respect to the scrolling change of the image within a predetermined period of time, and the cumulative difference part of the scrolling change; An updating module, configured to update and display the displayed image according to the accumulated position offset and the accumulated difference part. 11. The device according to claim 10, further comprising: The second receiving module is configured to receive a single position offset corresponding to a single scroll change of the image sent by the virtual desktop; The second display module is configured to update and display the difference part corresponding to the single position offset in a blank gradient manner. 12. A thin terminal, comprising: the device according to any one of claims 10-11.